A member asked:

Hi i was wondering if taking fertility medicine can cause a lump in your breast. i wasnt sure with hormones and stuff if stopping taking it could cause a lump under the nipple area because it just showed up once i stopped the medicine letrozole.

A doctor has provided 1 answer
Dr. Stuart Hickerson answered

Specializes in Family Medicine

Lump: The medication letrozole is a aromatase inhibitor and blocks the conversion of androstenedione to estrogen. When stopping Estrogen eected to rise in body and would be cause for lump.

Answered 11/25/2019

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